Document Freedom Day is observed globally on March 25th and advocates for open standards in file creation and sharing. The day emphasizes the importance of using formats that everyone can access freely, as locked formats can lead to loss of access to documents. Activities to celebrate this day include using only open file formats like ODT or PDF/A for a day, hosting workshops to teach others how to save documents in open formats, and encouraging schools and groups to adopt these formats for shared files. Participants are also encouraged to share their experiences and insights online, fostering a community dialogue about the benefits of open formats. The event aims to raise awareness about digital independence and the risks associated with closed document formats. Document Freedom Day serves as a reminder that access to information should not be restricted by proprietary software.